:root {
  color-scheme: light;
  --bg: #f7f7f5;
  --ink: #1d1d1b;
  --muted: #62625e;
  --orange: #e8792b;
  --grey: #9a9f9f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  display: grid;
  place-items: center;
  padding: 24px;
}

main {
  width: min(760px, 100%);
}

h1 {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  margin: 0 0 0.5rem;
}

.intro {
  color: var(--muted);
  margin: 0 0 1.25rem;
  line-height: 1.5;
}

.stage {
  background: #fff;
  border: 1px solid #e3e3df;
  border-radius: 16px;
  padding: 8px;
}

#scene {
  display: block;
  width: 100%;
  height: auto;
}

.slider-label {
  display: block;
  margin: 1.25rem 0 0.4rem;
  font-weight: 600;
}

#size {
  width: 100%;
  accent-color: var(--orange);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

button {
  font: inherit;
  font-weight: 650;
  border: 0;
  border-radius: 999px;
  padding: 0.75rem 1.4rem;
  cursor: pointer;
}

#compare {
  background: var(--ink);
  color: #fff;
}

#compare:disabled {
  opacity: 0.45;
  cursor: default;
}

#reset {
  background: #e7e7e2;
  color: var(--ink);
}

.result {
  min-height: 1.5rem;
  margin: 1rem 0 0;
  line-height: 1.5;
  font-weight: 600;
}

.result.error {
  color: #a3261b;
}

.privacy {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.4;
  margin-top: 1.5rem;
}